PH15 from Passivhaus Homes



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complete system

The PH15 complete system includes the thermal design calculations in PHPP, the pre-cut timber frame, all the insulation, windows and doors and the MVHR system. All designed to work together for maximum...

energy income

See Oakfield Farm – The pocket power plant. Here the 13.8 kWp solar array, paired with a 13.5 kWh battery, boosts on-site renewable electricity use. Overall, the home generates about £1200 more per year than it costs to run, resulting in an income of around £100...

fRsi

The fRsi factor is the parameter chosen to easily identify the risk of mould growth and condensation. The hygiene criterion identifies the minimum fRsi factor that a component can tolerate in relation to the risk of mould growth. The PHI have established values for...

hemp

One hectare of industrial hemp can absorb 22t of carbon dioxide, and as it can grow to 4m high in 100 days this makes it one of the fastest carbon-to-biomass converters available, more efficient than agro-forestry. Each kilogram of insulation locks away 0.51 kgCO2e...

LVL

LVL (Laminated Veneer Lumber) is one of the most stable wood-based materials consisting of several layers of softwood veneers. It is stronger, straighter, and more uniform than sawn timber and it makes better use of wood resources than milling into solid sections for...